Home / 32,390.16-48,475.50-19,918.09

Finding the Fourth Proportional to 32,390.16, 48,475.50 and 19,918.09

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Solution

The fourth proportional to 32,390.16, 48,475.50 and 19,918.09 is: 29,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.16 : 48,475.50 = 19,918.09 : x
  2. Step 2: Convert to fraction form
    32,390.16/48,475.50 = 19,918.09/x
  3. Step 3: Cross multiply
    32,390.16x = 48,475.50 × 19,918.09
  4. Step 4: Simplify right side
    32,390.16x = 965,539,371.80
  5. Step 5: Solve for x
    x = 965,539,371.80/32,390.16
  6. Step 6: Final answer
    x = 29,809.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.